Hadrien Jean – Medium

Hadrien Jean

Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Visual Introduction to Singular Value Decomposition (SVD)

Learn about the SVD using visualization of matrix transformations.

8 min readApr 20, 2021

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Essential Math for Data Science: Visual Introduction to Singular Value Decomposition (SVD)

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Eigenvectors and application to PCA

Understand eigenvectors and eigenvalues and how they relate to Principal Component Analysis (PCA)

9 min readFeb 23, 2021

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Essential Math for Data Science: Eigenvectors and application to PCA

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2

Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Basis and Change of Basis

Understand the linear algebra concept of basis useful for eigendecomposition and SVD.

11 min readFeb 1, 2021

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Essential Math for Data Science: Basis and Change of Basis

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Introduction to Systems of Linear Equations

Understand and visualize the row and column picture of system of linear equations

8 min readJan 13, 2021

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Essential Math for Data Science: Introduction to Systems of Linear Equations

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Matrices as Linear Transformations

Understand and visualize matrices as space transformations

8 min readDec 29, 2020

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Essential Math for Data Science: Matrices as Linear Transformations

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Hadrien Jean
in
Towards Data Science

Introduction to Matrices and the Matrix Product

Build a good understanding of one of the building blocks of linear algebra: matrices and their product.

9 min readDec 16, 2020

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Introduction to Matrices and the Matrix Product

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Introduction to Linear Algebra

Learn about scalars, vectors, and the dot product.

10 min readDec 10, 2020

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Essential Math for Data Science: Introduction to Linear Algebra

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Information Theory

Entropy, cross-entropy, log loss, and KL divergence

11 min readDec 2, 2020

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Essential Math for Data Science: Information Theory

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Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: The Poisson Distribution

Learn about this important discrete distribution through code and example.

7 min readNov 24, 2020

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Essential Math for Data Science: The Poisson Distribution

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1

Hadrien Jean
in
Towards Data Science

Essential Math for Data Science: Area Under The ROC Curve and Integrals

Learn about integrals and model performance comparison using the area under the ROC curve

14 min readNov 5, 2020

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Essential Math for Data Science: Area Under The ROC Curve and Integrals

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2

Hadrien Jean

Hadrien Jean

Machine learning scientist. PhD in cognitive science at the École Normale Supérieure (ENS), Paris, France. More info: https://hadrienj.github.io/about/

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